DC Field | Value | Language |
---|---|---|
dc.contributor.author | Sin, D.H. | - |
dc.contributor.author | Jo, S.B. | - |
dc.contributor.author | Lee, S.G. | - |
dc.contributor.author | Ko, H. | - |
dc.contributor.author | Kim, M. | - |
dc.contributor.author | Lee, H. | - |
dc.contributor.author | Cho, K. | - |
dc.date.accessioned | 2018-06-15T05:46:45Z | - |
dc.date.available | 2018-06-15T05:46:45Z | - |
dc.date.created | 2017-12-21 | - |
dc.date.issued | 2017-05 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/50835 | - |
dc.description.abstract | A mechanically and thermally stable and electron-selective ZnO/CH3NH3PbI3 interface is created via hybridization of a polar insulating polymer, poly(ethylene glycol) (PEG), into ZnO nanoparticles (NPs). PEG successfully passivates the oxygen defects on ZnO and prevents direct contact between CH3NH3PbI3 and defects on ZnO. A uniform CH3NH3PbI3 film is formed on a soft ZnO:PEG layer after dispersion of the residual stress from the volume expansion during CH3NH3PbI3 conversion. PEG also increases the work of adhesion of the CH3NH3PbI3 film on the ZnO:PEG layer and holds the CH3NH3PbI3 film with hydrogen bonding. Furthermore, PEG tailors the interfacial electronic structure of ZnO, reducing the electron affinity of ZnO. As a result, a selective electron-collection cathode is formed with a reduced electron affinity and a deep-lying valence band of ZnO, which significantly enhances the carrier lifetime (473 ��s) and photovoltaic performance (15.5%). The mechanically and electrically durable ZnO:PEG/CH3NH3PbI3 interface maintains the sustainable performance of the solar cells over 1 year. A soft and durable cathodic interface via PEG hybridization in a ZnO layer is an effective strategy toward flexible electronics and commercialization of the perovskite solar cells. ? 2017 American Chemical Society. | - |
dc.language | English | - |
dc.publisher | American Chemical Society | - |
dc.relation.isPartOf | ACS Applied Materials and Interfaces | - |
dc.subject | Carrier lifetime | - |
dc.subject | Defects | - |
dc.subject | Electron affinity | - |
dc.subject | Electronic structure | - |
dc.subject | Electrons | - |
dc.subject | Flexible electronics | - |
dc.subject | Hydrogen bonds | - |
dc.subject | Perovskite | - |
dc.subject | Perovskite solar cells | - |
dc.subject | Polyethylene glycols | - |
dc.subject | Zinc oxide | - |
dc.subject | Adhesive interfaces | - |
dc.subject | Electron collections | - |
dc.subject | Insulating polymer | - |
dc.subject | Interfacial electronic structure | - |
dc.subject | Photovoltaic performance | - |
dc.subject | Selective interfaces | - |
dc.subject | Sustainable performance | - |
dc.subject | ZnO nanoparticles | - |
dc.subject | Solar cells | - |
dc.title | Enhancing the Durability and Carrier Selectivity of Perovskite Solar Cells Using a Blend Interlayer | - |
dc.type | Article | - |
dc.identifier.doi | 10.1021/acsami.7b02349 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | ACS Applied Materials and Interfaces, v.9, no.21, pp.18103 - 18112 | - |
dc.identifier.wosid | 000402691600050 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | 18112 | - |
dc.citation.number | 21 | - |
dc.citation.startPage | 18103 | - |
dc.citation.title | ACS Applied Materials and Interfaces | - |
dc.citation.volume | 9 | - |
dc.contributor.affiliatedAuthor | Cho, K. | - |
dc.identifier.scopusid | 2-s2.0-85019972627 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 9 | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | HOLE TRANSPORT LAYER | - |
dc.subject.keywordPlus | SEQUENTIAL DEPOSITION | - |
dc.subject.keywordPlus | LOW-TEMPERATURE | - |
dc.subject.keywordPlus | LEAD IODIDE | - |
dc.subject.keywordPlus | THIN-FILMS | - |
dc.subject.keywordPlus | PHOTOVOLTAIC CELLS | - |
dc.subject.keywordPlus | WORK-FUNCTION | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | ZNO | - |
dc.subject.keywordPlus | RECOMBINATION | - |
dc.subject.keywordAuthor | adhesive interface | - |
dc.subject.keywordAuthor | durable interface | - |
dc.subject.keywordAuthor | electron-selective interface | - |
dc.subject.keywordAuthor | ZnO:PEG blend | - |
dc.subject.keywordAuthor | perovskite solar cells | - |
dc.relation.journalWebOfScienceCategory | Nanoscience & Nanotechnology | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Materials Science | - |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
library@postech.ac.kr Tel: 054-279-2548
Copyrights © by 2017 Pohang University of Science ad Technology All right reserved.